The negatively charged particles outside the nucleus
What are electrons
100
The vertical columns of the periodic table
What are groups or families
100
Photographers used a powder of this element to provide light in the early days of flash photography. Name it!
A) Iridium
B) Sodium
C) Magnesium
D) Zinc
C) Magnesium
200
Element symbol for Bromine
What is Br
200
Name one of the two elements on the periodic table that are liquid at room temperature
What is Mercury or Bromine
200
The subatomic particles found in the nucleus of an atom.
What are protons and neutrons
200
The sum of the protons and neutrons in the nucleus of an atom is called the ____________________.
atomic mass
200
Onions and garlic get their odor from compounds that contain this element. Name it!
A) Chlorine
B) Sodium
C) Potassium
D) Sulfur
What is Sulfur
300
Element name for Pb
What is Lead
300
Another name for the inert gases
What are the noble gases
300
Xenon is atomic number 54 and has an atomic mass of 131.30. How many protons, neutrons, and electrons does Xenon have?
Protons = 54
Electrons = 54
Neutrons = 77
300
The smallest particle of an element
What is an atom
300
What's the sixth most abundant element in the universe?
A) Oxygen
B) Iron
C) Nitrogen
D) Boron
What is Iron
400
Element symbol for Chromium
What is Cr
400
Copper is combined with this element to make bronze
What is tin
400
An atom with the same number of protons and a different number of neutrons.
What is an isotope
400
The periodic table is arranged in horizontal rows called ___________.
What are periods
400
What's the most malleable element on the periodic table, and the seventh densest?
What is Gold
500
Element name for Kr
What is Krypton
500
These are the elements that are basic to all living things
What is CHNOPS
500
Radon is a noble gas which means it has how many valence electrons in it's outer shell?
What is eight
500
The electrons that are in the highest energy level of an atom and are involved in chemical reactions.
What are valence electrons
500
Compounds made with this element helped treat wounded soldiers in World War I, but overdoses caused patients to turn blue, a condition called argyria. Name it!
A) Argon
B) Arsenic
C) Cadmium
D)Silver